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42 lines
915 B
TypeScript
42 lines
915 B
TypeScript
// copy from https://github.com/sudodoki/toggle-selection
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// refactor to esm
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const deselectCurrent = (): (() => void) => {
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const selection = document.getSelection();
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if (!selection.rangeCount) {
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return function () {};
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}
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let active = document.activeElement as any;
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const ranges = [];
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for (let i = 0; i < selection.rangeCount; i++) {
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ranges.push(selection.getRangeAt(i));
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}
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switch (
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active.tagName.toUpperCase() // .toUpperCase handles XHTML
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) {
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case 'INPUT':
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case 'TEXTAREA':
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active.blur();
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break;
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default:
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active = null;
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break;
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}
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selection.removeAllRanges();
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return function () {
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selection.type === 'Caret' && selection.removeAllRanges();
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if (!selection.rangeCount) {
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ranges.forEach(function (range) {
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selection.addRange(range);
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});
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}
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active && active.focus();
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};
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};
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export default deselectCurrent;
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